Muzzle brake



FIG. 1 is a front perspective view of a muzzle brake, showing my newdesign;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view thereof, the rear elevational view,left-side elevational view, and right-side elevational view all being amirror image thereof; and

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

CLAIM I claim the ornamental design for a muzzle brake, as shown anddescribed.